* {
    margin: 0;
    padding: 0;
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
    color: #333;
}

h2 {
    text-indent: 100px;
    padding-top: 40px;
    color: #369;
}

nav {
    padding: 30px;
    /* background-color: #ccc; */
    margin-top: 25px;
}

ul {
    width: 980px;
    display: flex;
    padding: 10px;
}

ul li {
    padding: 10px 15px;
    margin: 0 5px;
    font-size: 18px;
    border-radius: 100px;
}

ul li.active {
    background-color: #f80;
}

ul li.active a {
    color: #fff;
}

.box {
    width: 300px;
    height: 300px;
    background-color: skyblue;
    margin: 30px;
}

.box img {
    width: 300px;
}